Home / 222,298.12-306,687.66-145,859.41

Finding the Fourth Proportional to 222,298.12, 306,687.66 and 145,859.41

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Solution

The fourth proportional to 222,298.12, 306,687.66 and 145,859.41 is: 201,231.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,298.12 : 306,687.66 = 145,859.41 : x
  2. Step 2: Convert to fraction form
    222,298.12/306,687.66 = 145,859.41/x
  3. Step 3: Cross multiply
    222,298.12x = 306,687.66 × 145,859.41
  4. Step 4: Simplify right side
    222,298.12x = 44,733,279,608.44
  5. Step 5: Solve for x
    x = 44,733,279,608.44/222,298.12
  6. Step 6: Final answer
    x = 201,231.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.